The problem of a monopolist firm that supplies an essential input to other firms that compete in the final downstream market is crucial in many utility industries that use a network. When downstream firms have different degrees of efficiency, then it could be feasible to charge them different...

This paper surveys the recent literature on competition between mobile network operators in the presence of call externalities and network effects. It shows that the regulation of mobile termination rates based on "long-run incremental costs" increases networks' strategic incentives to...

We develop a framework, extending the conventional duopoly model by replacing the Hotelling line with a simplex in high???dimension spaces, to study the competition and access regulation of multiple networks. We first characterize the competitive equilibrium when the substitutabilities of the...

Marsden explains for a general policy audience what the regulatory and governance problems and potential solutions are for the issue referred to as ‘network neutrality’, unpacking its ‘lite’ and ‘heavy’ elements. Eschewing technical, economic or legalistic explanations which he has...

Mobile is a rapidly growing and potentially major element of the future Internet, and its environment cannot be sensibly considered in isolation from fixed networks. A note on terminology: Europe uses the term Mobile Network Operators (MNOs) while the United States uses ‘wireless’ Internet...

The purpose of this paper is to review the effectiveness of the various initiatives taken to regulate international mobile roaming over the last decade. Design/methodology/approach: The paper is an analysis of the policies and the measures and their effects on prices and industry dynamics....

Telecommunications was one of the first markets to become part of what today comprises the regulatory state, shifting risks and rewards towards the private sector, subject to regulation. Parliamentary has oversight of policies, the regulator and subventions from HM Treasury, which are necessary...

Cheap, ubiquitous high-speed Internet access promises to accelerate economic growth, create new jobs and industries, advance education and lifelong learning, inform and improve health care decision-making, and raise living standards. Conversely, foregone broadband access by low income and other...

The European Union adopted a Roaming Regulation (717/2007) in 2007, then extended its duration and widened its scope (544/2009) in 2009. In 2006, the European Commission held two consultations on a possible regulation. It made a formal legislative proposal in July 2006, to implement wholesale...